| Value | Category | Cases | |
|---|---|---|---|
| 1 | not tuition-free | 16 |
8.4%
|
| 3 | subject to progressive realization | 7 |
3.7%
|
| 4 | policy guarantee | 16 |
8.4%
|
| 5 | legislative or constitutional guarantee | 152 |
79.6%
|
| Sysmiss | 2 |